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Acorn Natural 3×18 Porcelain Bullnose

Finish your Acorn installation with a clean, coordinated edge. The Acorn Natural 3×18 porcelain bullnose features the collection’s Natural color and a factory painted-bevel that delivers a crisp, professional perimeter. Sized for versatile wall work, this individual trim piece is ideal for backsplashes, shower walls, and other exposed tile edges, keeping your design seamless from field tile to finished edge.

Item Code: 7081-R-34057 Category Tag

2 Pieces in stock

Est. Coverage: 0.38 sq. ft. per piece | 3.80 sq. ft. per box | 10 pieces per box | Request Info
Note on Samples:
Sample pieces are small cut sizes, approximately 3" x 3" to 8" x 8", and intended for color and finish reference only.
If you need a full-size sample, please contact us.

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Working on a commercial project, builder project, or large-scale order? Contact our team to discuss pricing, product availability, shipping options, and sample requests.

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  • Samples available upon request.
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Acorn Natural 3×18 Porcelain Bullnose

The Acorn Natural 3×18 Porcelain Bullnose provides a clean, coordinated finishing detail for Acorn tile installations. In the Natural color with a natural finish, this trim piece creates a refined transition along exposed tile edges and terminations while maintaining continuity with matching field tile.

The 3×18 format and factory painted-bevel edge make it ideal for backsplashes, shower walls, bathrooms, and other wall applications where a crisp, professional perimeter is desired. Durable porcelain construction supports everyday performance and easy maintenance.

Use this coordinating bullnose to complete inside projects with confidence, aligning it with Acorn field tiles for a cohesive, polished result across the entire installation.

Features

  • Coordinating 3×18 porcelain bullnose trim for the Acorn collection
  • Natural color with natural finish for a seamless match
  • Painted-bevel factory edge for a clean, finished perimeter
  • Durable, low-maintenance porcelain construction
  • Frost-resistant material
  • Versatile for walls, backsplashes, and shower surrounds
  • Ideal for exposed tile edges and wall transitions
  • Sold by the piece for flexible ordering

Recommended Applications

  • Exposed wall tile edges
  • Kitchen backsplashes
  • Bathroom walls
  • Shower wall edges
  • Wall transitions and terminations
  • Niches and recess perimeters
  • Accent borders on interior walls
Weight3 lbs
Dimensions18 × 3 × 0.35 in
Brand

Collection

Acorn

Color

Material

Finish

Size (inches)

Design

Rectangular

Thickness

Edge Type

Painted-Bevel

Usage Area

Backsplash, Bathroom, Commercial Interior Walls, Edge Trim, Kitchen, Residential Interior Walls, Shower Walls

Installation Guide – Acorn Natural 3×18 Porcelain Bullnose

Important Advisory

Follow manufacturer instructions, ANSI A108/A118 standards, TCNA guidelines, and local codes. For wet areas, use appropriate waterproofing behind the tile. Verify color, caliber, and lot before installing. Dry-fit bullnose with field tile and confirm finished-edge orientation prior to setting.

Step 1: Layout & Planning

  • Confirm the substrate is clean, flat, dry, and properly prepared for tile work.
  • Plan the layout so the bullnose defines the finished perimeter where tile edges will remain exposed.
  • Dry-fit bullnose pieces with coordinating field tiles to verify alignment, joint width, and overall appearance.
  • Blend pieces as needed for consistent shade and finish across the installation.

Step 2: Bullnose Installation

  • Use a high-quality, porcelain-rated thin-set mortar compatible with the substrate.
  • Key in mortar and comb with an appropriately sized notched trowel to achieve proper coverage.
  • Press each bullnose piece firmly into place and align it flush with adjacent field tiles.
  • Maintain consistent grout-joint spacing and straight, even edges.
  • Work within the mortar’s open time and remove excess mortar from joints and surfaces before it hardens. Allow mortar to cure per manufacturer instructions before grouting.

Step 3: Cutting

  • Use a wet saw with a porcelain-rated diamond blade for clean, accurate cuts.
  • Measure carefully and dry-fit cut pieces before setting.
  • Whenever possible, orient factory-finished bullnose edges toward exposed areas for the cleanest appearance.
  • Plan inside and outside corners thoughtfully; miter where appropriate for a professional finish.

Step 4: Joint Filling

  • Use a grout suitable for porcelain tile and the planned joint width.
  • Select a grout color that complements the Acorn Natural finish and surrounding tile.
  • Pack joints fully, clean excess with a damp sponge, and finish per grout manufacturer instructions.
  • Honor movement joints per TCNA EJ171 and use appropriate sealant at changes of plane. Allow grout to cure fully before use.

Step 5: Cleaning & Maintenance

  • Clean with a pH-neutral cleaner approved for porcelain tile.
  • Avoid abrasive pads, harsh chemicals, or acidic cleaners that may affect the finish or grout.
  • Wipe residues promptly and inspect grout and sealant lines periodically, reapplying sealant at movement joints as needed.

Disclaimer

Installer is responsible for proper substrate preparation, product selection, and installation techniques. Confirm suitability for the intended application. Stone Market USA is not responsible for installation errors or site conditions.

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